java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 10:08:44,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 10:08:44,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 10:08:44,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 10:08:44,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 10:08:44,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 10:08:44,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 10:08:44,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 10:08:44,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 10:08:44,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 10:08:44,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 10:08:44,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 10:08:44,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 10:08:44,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 10:08:44,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 10:08:44,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 10:08:44,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 10:08:44,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 10:08:44,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 10:08:44,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 10:08:44,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 10:08:44,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 10:08:44,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 10:08:44,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 10:08:45,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 10:08:45,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 10:08:45,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 10:08:45,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 10:08:45,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 10:08:45,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 10:08:45,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 10:08:45,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 10:08:45,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 10:08:45,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 10:08:45,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 10:08:45,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 10:08:45,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 10:08:45,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 10:08:45,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 10:08:45,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 10:08:45,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 10:08:45,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 10:08:45,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 10:08:45,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 10:08:45,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 10:08:45,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 10:08:45,049 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 10:08:45,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 10:08:45,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 10:08:45,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 10:08:45,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 10:08:45,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 10:08:45,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 10:08:45,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 10:08:45,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 10:08:45,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 10:08:45,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 10:08:45,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 10:08:45,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 10:08:45,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 10:08:45,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 10:08:45,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 10:08:45,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 10:08:45,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:08:45,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 10:08:45,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 10:08:45,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 10:08:45,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 10:08:45,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 10:08:45,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 10:08:45,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 10:08:45,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 10:08:45,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 10:08:45,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 10:08:45,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 10:08:45,129 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 10:08:45,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-21 10:08:45,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460889c3b/7e7c3ba1d21c46b9bdfb955609ff9dcb/FLAGd03705ac6 [2019-09-21 10:08:45,711 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 10:08:45,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-21 10:08:45,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460889c3b/7e7c3ba1d21c46b9bdfb955609ff9dcb/FLAGd03705ac6 [2019-09-21 10:08:46,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460889c3b/7e7c3ba1d21c46b9bdfb955609ff9dcb [2019-09-21 10:08:46,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 10:08:46,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 10:08:46,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:46,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 10:08:46,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 10:08:46,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b89a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46, skipping insertion in model container [2019-09-21 10:08:46,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,091 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 10:08:46,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 10:08:46,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:46,323 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 10:08:46,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 10:08:46,495 INFO L192 MainTranslator]: Completed translation [2019-09-21 10:08:46,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46 WrapperNode [2019-09-21 10:08:46,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 10:08:46,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 10:08:46,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 10:08:46,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 10:08:46,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... [2019-09-21 10:08:46,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 10:08:46,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 10:08:46,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 10:08:46,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 10:08:46,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 10:08:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 10:08:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 10:08:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 10:08:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-21 10:08:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-21 10:08:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-21 10:08:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-21 10:08:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-21 10:08:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-21 10:08:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-21 10:08:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-21 10:08:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-21 10:08:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 10:08:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 10:08:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 10:08:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 10:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 10:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 10:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-21 10:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-21 10:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 10:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-21 10:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 10:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 10:08:47,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 10:08:47,414 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 10:08:47,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:47 BoogieIcfgContainer [2019-09-21 10:08:47,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 10:08:47,417 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 10:08:47,417 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 10:08:47,417 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 10:08:47,419 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:47" (1/1) ... [2019-09-21 10:08:47,420 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 10:08:47,457 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 10:08:47,457 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 10:08:47,471 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 10:08:47,481 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 10:08:47,483 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 10:08:47,753 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-09-21 10:08:47,799 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 56 for LOIs [2019-09-21 10:08:47,894 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:47,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:49,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:49,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 10:08:51,878 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-21 10:09:02,372 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 46 for LOIs [2019-09-21 10:09:02,375 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 39 for LOIs [2019-09-21 10:09:02,379 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 10:09:02,379 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 10:09:02,381 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1301#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (<= ~t1_i~0 1) (not (= ~token~0 (+ ~local~0 1))) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)) [2019-09-21 10:09:02,396 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 10:09:02,397 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 10:09:02,400 INFO L168 Benchmark]: Toolchain (without parser) took 16322.86 ms. Allocated memory was 132.1 MB in the beginning and 639.1 MB in the end (delta: 507.0 MB). Free memory was 87.8 MB in the beginning and 416.5 MB in the end (delta: -328.7 MB). Peak memory consumption was 178.3 MB. Max. memory is 7.1 GB. [2019-09-21 10:09:02,402 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 10:09:02,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.20 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 173.3 MB in the end (delta: -85.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-21 10:09:02,405 INFO L168 Benchmark]: Boogie Preprocessor took 41.06 ms. Allocated memory is still 199.2 MB. Free memory was 173.3 MB in the beginning and 171.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-21 10:09:02,406 INFO L168 Benchmark]: RCFGBuilder took 878.30 ms. Allocated memory is still 199.2 MB. Free memory was 171.4 MB in the beginning and 118.4 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2019-09-21 10:09:02,411 INFO L168 Benchmark]: Sifa took 14979.98 ms. Allocated memory was 199.2 MB in the beginning and 639.1 MB in the end (delta: 439.9 MB). Free memory was 117.5 MB in the beginning and 416.5 MB in the end (delta: -299.0 MB). Peak memory consumption was 140.9 MB. Max. memory is 7.1 GB. [2019-09-21 10:09:02,420 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.20 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 173.3 MB in the end (delta: -85.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.06 ms. Allocated memory is still 199.2 MB. Free memory was 173.3 MB in the beginning and 171.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 878.30 ms. Allocated memory is still 199.2 MB. Free memory was 171.4 MB in the beginning and 118.4 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * Sifa took 14979.98 ms. Allocated memory was 199.2 MB in the beginning and 639.1 MB in the end (delta: 439.9 MB). Free memory was 117.5 MB in the beginning and 416.5 MB in the end (delta: -299.0 MB). Peak memory consumption was 140.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14925, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 408, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 278, TOOLS_POST_TIME[ms]: 267, TOOLS_POST_CALL_APPLICATIONS: 93, TOOLS_POST_CALL_TIME[ms]: 421, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 214, TOOLS_QUANTIFIERELIM_APPLICATIONS: 459, TOOLS_QUANTIFIERELIM_TIME[ms]: 732, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 120, DOMAIN_JOIN_TIME[ms]: 12555, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 557, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 458, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 67, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 199, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14089, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14088, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2963, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2962, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1301#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1) (<= ~t1_i~0 1) (not (= ~token~0 (+ ~local~0 1))) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...